| Period | Weighting | Quarter | ||||||
|---|---|---|---|---|---|---|---|---|
| Company | Longest | Shortest | Min. | Avg. | Max. | First | Latest | ↓ Count |
| GROUP ONE TRADING, L.P. | 29 | 6 | 0.00% | 0.00% | 0.01% | Q1 2014 | Q2 2023 | 35 |
| SIMPLEX TRADING, LLC | 26 | 3 | 0.00% | 0.00% | 0.00% | Q4 2014 | Q2 2023 | 33 |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 20 | 20 | 0.00% | 0.00% | 0.00% | Q3 2018 | Q2 2023 | 20 |
| Citadel Advisors | 4 | 1 | 0.00% | 0.00% | 0.00% | Q1 2014 | Q4 2015 | 5 |
| JANE STREET GROUP, LLC | 1 | 1 | 0.00% | 0.00% | 0.00% | Q2 2022 | Q2 2022 | 1 |
| Marathon Trading Investment Management LLC | 1 | 1 | 0.00% | 0.00% | 0.00% | Q1 2021 | Q1 2021 | 1 |
This page lists all the filers that currently own 22ND CENTY GROUP INC or have owned 22ND CENTY GROUP INC in the past.